Grauer's cuckooshrike (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Grauer's cuckooshrike" in English language version.

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Taylor, Barry (4 March 2020). Del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David; De Juana, Eduardo (eds.). "Grauer's Cuckooshrike (Coracina graueri)". Birds of the World. doi:10.2173/bow.gracus1.01. S2CID 216251441.
Jønsson, Knud A.; Bowie, Rauri C. K.; Nylander, Johan A. A.; Christidis, Les; Norman, Janette A.; Fjeldså, Jon (2010). "Biogeographical history of cuckoo-shrikes (Aves: Passeriformes): transoceanic colonization of Africa from Australo-Papua". Journal of Biogeography. 37 (9): 1767–1781. doi:10.1111/j.1365-2699.2010.02328.x. S2CID 52105369.

BirdLife International (2021). "Ceblepyris graueri". IUCN Red List of Threatened Species. 2021: e.T22706553A192880582. Retrieved 12 November 2021.

Taylor, Barry (4 March 2020). Del Hoyo, Josep; Elliott, Andrew; Sargatal, Jordi; Christie, David; De Juana, Eduardo (eds.). "Grauer's Cuckooshrike (Coracina graueri)". Birds of the World. doi:10.2173/bow.gracus1.01. S2CID 216251441.
Jønsson, Knud A.; Bowie, Rauri C. K.; Nylander, Johan A. A.; Christidis, Les; Norman, Janette A.; Fjeldså, Jon (2010). "Biogeographical history of cuckoo-shrikes (Aves: Passeriformes): transoceanic colonization of Africa from Australo-Papua". Journal of Biogeography. 37 (9): 1767–1781. doi:10.1111/j.1365-2699.2010.02328.x. S2CID 52105369.